Listed below are pulse rates (beats per minute) from samples of adult males and females. Does there appear to be a difference? Find the coefficient of variation for each of thetwo samples, then compare the variation.Male 89 70 60 69 68 51 66 55 81 70 60 64 98 54 65 DFemale 66 83 80 71 72 86 87 88 90 89 92 72 86 78 79The coefficient of variation for the male pulse rates is %(Type an integer or decimal rounded to one decimal place as needed.)The coefficient of variation for the female pulse rates is %(Type an integer or decimal rounded to one decimal place as needed.).Compare the variation.The coefficients of variation for each data set areEXTherefore, the male pulse rates varythe female pulse rates.

The genderwise data is given on the pulse rate.Given that,Sample sizes

Answered: The coefficient of variation for the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Can you tell me what the explained variation percentage is?
Brandon's score in the high jump at a track and field event showed that he was only able to jump higher than 27% of his competitors. Find the z score for Brandon's high jump score.
The quantity of dissolved oxygen is a measure of water pollution in lakes, rivers, and streams. Water samples were taken at four different locations in a river in an effort to determine if water pollution varied from location to location. Location I was 500 meters above an industrial plant water discharge point and near the shore. Location II was 200 meters above the discharge point and in midstream. Location III was 50 meters downstream from the discharge point and near the shore. Location IV was 200 meters downstream from the discharge point and in midstream. The following table shows the results. Lower dissolved oxygen readings mean more pollution. Because of the difficulty in getting midstream samples, ecology students collecting the data had fewer of these samples. Use a 5% level of significance. Do we reject or not reject the claim that the quantity of dissolved oxygen does not vary from one location to another? Location I Location II Location III Location IV 7.6 6.3 4.6…
The quantity of dissolved oxygen is a measure of water pollution in lakes, rivers, and streams. Water samples were taken at four different locations in a river in an effort to determine if water pollution varied from location to location. Location I was 500 meters above an industrial plant water discharge point and near the shore. Location II was 200 meters above the discharge point and in midstream. Location III was 50 meters downstream from the discharge point and near the shore. Location IV was 200 meters downstream from the discharge point and in midstream. The following table shows the results. Lower dissolved oxygen readings mean more pollution. Because of the difficulty in getting midstream samples, ecology students collecting the data had fewer of these samples. Use a 10% level of significance. Do we reject or not reject the claim that the quantity of dissolved oxygen does not vary from one location to another? Location I Location II Location III Location IV 7.1 6.6 4.3 4.7 6.7…
The ages (in years) and helghts (in inches) of all pitchers for a beseball team are listed. Find the coefficient of variation for each of the two data sets. Then compare the results. -Click the Icon to view the data sets. CV. %D Round to one decimal place as needed.)
Please check answers 1; 0.351 2; 0.060 3;0.205 4; 0.172
The value of a certain car when it was brand new with 0 mileage was $17,000 but the value dropped to $4,000 when the car acounulated 80,000 miles shown in the scatter plot below. Car's Mleage and Value S17.000 $2,000 Mileage Based on the data in the scatter plot, at what mileage was the car worth about $12,000? O 20,000 miles O 30,000 miles O 60,000 miles O 80,000 miles
Use excel in this question: The Motion Picture Distributors Association of Australia collects yearly data on gross box office takings of the films in Australia. Data is provided here for the years 1990-2004. (Unfortunately more recent data is not readily available.) Is the highest box office takings for a film related to the number of films screened in Australia that year? Year No. of films screened Highest box office ($ million) 1990 252 26.1 1991 240 19.22 1992 229 18.73 1993 259 31.74 1994 252 24.65 1995 253 17.93 1996 281 29.29 1997 285 22.7 1998 273 47.33 1999 255 38.72 2000 250 30.72 2001 245 32.05 2002 258 33.81 2003 268 37.14 2004 318 50.35 1. Produce a scatterplot of the relevant data. Comment on the appropriateness of analysing this data using a linear regression model. 2. Use the statistics from a regression analysis of this data to evaluate the evidence for a useful predictive linear relationship between the two variables at the 5%…
A local construction company is trying to reduce costs. It found that the price of steel bars varies considerably from manufacturer to manufacturer. The table below shows the cost of one steel bar from different manufacturers. Calculate the IQR. Cost for One Steel Bar Emerson $4.31 Mannix $6.20 United $5.67 American $2.79 National $3.20 Pracox $3.57 Steelco $5.32 Cost per Steel Bar 7 6 4 3 2 1 O $2.47 O $2.53 O $4.32 O $5.36
1/2+4/5=?and then find the answer as a percentage?
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At the stadium, there are three lines for arriving customers, each staffed by a single worker. The arrival rate for customers is 140 per minute and each customer takes (on average) 1.1 seconds for a worker to process. The coefficient of variation for arrival time is 1.4 and the coefficient of variation for service time is 1. (Round your answerto three decimal places.) How much time (in seconds will an average customer spend in queue? seconds

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